>> senator, i served with jack kennedy. i knew jack kennedy. jack kennedy was a friend of mine. senator, you're no jack kennedy. >> he's very likable. i agree with that. i don't think i'm that bad. >> you're likable enough, hillary. >> thank you. >> likable enough. and that was a moment in new hampshire. some game changing moments from debates past and present and could tomorrow night's debate produce anything as memorable. one thing important, ruth, john, we've lived through these debate moments but they're not all game changers. arguably some of those moments like lloyd bentsen and dan quayle didn't change anything because michael dukakis in the final presidential debate showed sort of a remarkable lack of human affect you might say in response to bernie schultz question. >> that didn't help the game from dukakis' point of view. lloyd bentsen's line was great line. >> well rehearsed. >> well delivered, well rehearsed. what do we remember from 2008? no lines. that was not a game changing debate between senator obama and senator mccain. >> not the way it was during the primary r